.header .user {
  position: absolute;
  top: 0;
  right: 30px;
  width: 200px;
  height: 64px;
}
.header .trigger {
  float: left;
  padding: 0 24px;
  font-size: 18px;
  line-height: 64px;
  cursor: pointer;
  transition: color 0.3s;
  color: #646464;
}
